Example #1
0
bool test_transaction_generation_and_ring_signature()
{
  Logging::ConsoleLogger logger;
  CryptoNote::Currency currency = CryptoNote::CurrencyBuilder(logger).currency();

  AccountBase miner_acc1;
  miner_acc1.generate();
  AccountBase miner_acc2;
  miner_acc2.generate();
  AccountBase miner_acc3;
  miner_acc3.generate();
  AccountBase miner_acc4;
  miner_acc4.generate();
  AccountBase miner_acc5;
  miner_acc5.generate();
  AccountBase miner_acc6;
  miner_acc6.generate();

  std::string add_str = currency.accountAddressAsString(miner_acc3);

  AccountBase rv_acc;
  rv_acc.generate();
  AccountBase rv_acc2;
  rv_acc2.generate();
  Transaction tx_mine_1;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 10, 0, miner_acc1.getAccountKeys().address, tx_mine_1);
  Transaction tx_mine_2;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 0, 0, miner_acc2.getAccountKeys().address, tx_mine_2);
  Transaction tx_mine_3;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 0, 0, miner_acc3.getAccountKeys().address, tx_mine_3);
  Transaction tx_mine_4;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 0, 0, miner_acc4.getAccountKeys().address, tx_mine_4);
  Transaction tx_mine_5;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 0, 0, miner_acc5.getAccountKeys().address, tx_mine_5);
  Transaction tx_mine_6;
  currency.constructMinerTx(BLOCK_MAJOR_VERSION_1, 0, 0, 0, 0, 0, miner_acc6.getAccountKeys().address, tx_mine_6);

  //fill inputs entry
  typedef TransactionSourceEntry::OutputEntry tx_output_entry;
  std::vector<TransactionSourceEntry> sources;
  sources.resize(sources.size()+1);
  TransactionSourceEntry& src = sources.back();
  src.amount = 70368744177663;
  {
    tx_output_entry oe;
    oe.first = 0;
    oe.second = boost::get<KeyOutput>(tx_mine_1.outputs[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 1;
    oe.second = boost::get<KeyOutput>(tx_mine_2.outputs[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 2;
    oe.second = boost::get<KeyOutput>(tx_mine_3.outputs[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 3;
    oe.second = boost::get<KeyOutput>(tx_mine_4.outputs[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 4;
    oe.second = boost::get<KeyOutput>(tx_mine_5.outputs[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 5;
    oe.second = boost::get<KeyOutput>(tx_mine_6.outputs[0].target).key;
    src.outputs.push_back(oe);

    src.realTransactionPublicKey = CryptoNote::getTransactionPublicKeyFromExtra(tx_mine_2.extra);
    src.realOutput = 1;
    src.realOutputIndexInTransaction = 0;
  }
  //fill outputs entry
  TransactionDestinationEntry td;
  td.addr = rv_acc.getAccountKeys().address;
  td.amount = 69368744177663;
  std::vector<TransactionDestinationEntry> destinations;
  destinations.push_back(td);

  Transaction tx_rc1;
  bool r = constructTransaction(miner_acc2.getAccountKeys(), sources, destinations, std::vector<uint8_t>(), tx_rc1, 0, logger);
  CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction");

  Crypto::Hash pref_hash = getObjectHash(*static_cast<TransactionPrefix*>(&tx_rc1));
  std::vector<const Crypto::PublicKey *> output_keys;
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_1.outputs[0].target).key);
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_2.outputs[0].target).key);
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_3.outputs[0].target).key);
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_4.outputs[0].target).key);
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_5.outputs[0].target).key);
  output_keys.push_back(&boost::get<KeyOutput>(tx_mine_6.outputs[0].target).key);
  r = Crypto::check_ring_signature(pref_hash, boost::get<KeyInput>(tx_rc1.inputs[0]).keyImage,
    output_keys, &tx_rc1.signatures[0][0]);
  CHECK_AND_ASSERT_MES(r, false, "failed to check ring signature");

  std::vector<size_t> outs;
  uint64_t money = 0;

  r = lookup_acc_outs(rv_acc.getAccountKeys(), tx_rc1, getTransactionPublicKeyFromExtra(tx_rc1.extra), outs, money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(td.amount == money, false, "wrong money amount in new transaction");
  money = 0;
  r = lookup_acc_outs(rv_acc2.getAccountKeys(), tx_rc1, getTransactionPublicKeyFromExtra(tx_rc1.extra), outs,  money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(0 == money, false, "wrong money amount in new transaction");
  return true;
}
bool test_transaction_generation_and_ring_signature()
{
  Logging::ConsoleLogger logger;
  CryptoNote::Currency currency = CryptoNote::CurrencyBuilder(logger).currency();

  account_base miner_acc1;
  miner_acc1.generate();
  account_base miner_acc2;
  miner_acc2.generate();
  account_base miner_acc3;
  miner_acc3.generate();
  account_base miner_acc4;
  miner_acc4.generate();
  account_base miner_acc5;
  miner_acc5.generate();
  account_base miner_acc6;
  miner_acc6.generate();

  std::string add_str = currency.accountAddressAsString(miner_acc3);

  account_base rv_acc;
  rv_acc.generate();
  account_base rv_acc2;
  rv_acc2.generate();
  Transaction tx_mine_1;
  currency.constructMinerTx(0, 0, 0, 10, 0, miner_acc1.get_keys().m_account_address, tx_mine_1);
  Transaction tx_mine_2;
  currency.constructMinerTx(0, 0, 0, 0, 0, miner_acc2.get_keys().m_account_address, tx_mine_2);
  Transaction tx_mine_3;
  currency.constructMinerTx(0, 0, 0, 0, 0, miner_acc3.get_keys().m_account_address, tx_mine_3);
  Transaction tx_mine_4;
  currency.constructMinerTx(0, 0, 0, 0, 0, miner_acc4.get_keys().m_account_address, tx_mine_4);
  Transaction tx_mine_5;
  currency.constructMinerTx(0, 0, 0, 0, 0, miner_acc5.get_keys().m_account_address, tx_mine_5);
  Transaction tx_mine_6;
  currency.constructMinerTx(0, 0, 0, 0, 0, miner_acc6.get_keys().m_account_address, tx_mine_6);

  //fill inputs entry
  typedef tx_source_entry::output_entry tx_output_entry;
  std::vector<tx_source_entry> sources;
  sources.resize(sources.size()+1);
  tx_source_entry& src = sources.back();
  src.amount = 70368744177663;
  {
    tx_output_entry oe;
    oe.first = 0;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_1.vout[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 1;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_2.vout[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 2;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_3.vout[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 3;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_4.vout[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 4;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_5.vout[0].target).key;
    src.outputs.push_back(oe);

    oe.first = 5;
    oe.second = boost::get<TransactionOutputToKey>(tx_mine_6.vout[0].target).key;
    src.outputs.push_back(oe);

    src.real_out_tx_key = CryptoNote::get_tx_pub_key_from_extra(tx_mine_2);
    src.real_output = 1;
    src.real_output_in_tx_index = 0;
  }
  //fill outputs entry
  tx_destination_entry td;
  td.addr = rv_acc.get_keys().m_account_address;
  td.amount = 69368744177663;
  std::vector<tx_destination_entry> destinations;
  destinations.push_back(td);

  Transaction tx_rc1;
  bool r = construct_tx(miner_acc2.get_keys(), sources, destinations, std::vector<uint8_t>(), tx_rc1, 0, logger);
  CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction");

  crypto::hash pref_hash = get_transaction_prefix_hash(tx_rc1);
  std::vector<const crypto::public_key *> output_keys;
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_1.vout[0].target).key);
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_2.vout[0].target).key);
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_3.vout[0].target).key);
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_4.vout[0].target).key);
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_5.vout[0].target).key);
  output_keys.push_back(&boost::get<TransactionOutputToKey>(tx_mine_6.vout[0].target).key);
  r = crypto::check_ring_signature(pref_hash, boost::get<TransactionInputToKey>(tx_rc1.vin[0]).keyImage,
    output_keys, &tx_rc1.signatures[0][0]);
  CHECK_AND_ASSERT_MES(r, false, "failed to check ring signature");

  std::vector<size_t> outs;
  uint64_t money = 0;

  r = lookup_acc_outs(rv_acc.get_keys(), tx_rc1, get_tx_pub_key_from_extra(tx_rc1), outs,  money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(td.amount == money, false, "wrong money amount in new transaction");
  money = 0;
  r = lookup_acc_outs(rv_acc2.get_keys(), tx_rc1, get_tx_pub_key_from_extra(tx_rc1), outs,  money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(0 == money, false, "wrong money amount in new transaction");
  return true;
}